Combined syringe-laryngotracheal cannula



FIG. 1 is a side elevational view of a combined syringe-laryngotracheal cannula showing my new design;

FIG. 2 is an enlarged top plan view thereof, the cannula being omitted for convenience of illustration; and

FIG. 3 is an enlarged perspective view thereof it being understood that the cannula has been broken away in the center for convenience of illustration. 

The ornamental design for a combined syringe-laryngotracheal cannula, substantially as shown. 